1340001327687 has 64 divisors (see below), whose sum is σ = 2069241790464. Its totient is φ = 762317360640.

The previous prime is 1340001327667. The next prime is 1340001327689. The reversal of 1340001327687 is 7867231000431.

It is not a de Polignac number, because 1340001327687 - 2²⁶ = 1339934218823 is a prime.

It is a super-3 number, since 3×1340001327687³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340001327689) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 607158538 + ... + 607160744.

It is an arithmetic number, because the mean of its divisors is an integer number (32331902976).

Almost surely, 2^{1340001327687} is an apocalyptic number.

1340001327687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1340001327687 is a deficient number, since it is larger than the sum of its proper divisors (729240462777).

1340001327687 is a wasteful number, since it uses less digits than its factorization.

1340001327687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 1340001327687 in words is "one trillion, three hundred forty billion, one million, three hundred twenty-seven thousand, six hundred eighty-seven".